artis-star/src/artis-star/kernel/sss/GraphManager.hpp

/**
 * @file kernel/sss/GraphManager.hpp
 * @author The ARTIS Development Team
 * See the AUTHORS or Authors.txt file
 */

/*
 * ARTIS - the multimodeling and simulation environment
 * This file is a part of the ARTIS environment
 *
 * Copyright (C) 2013-2022 ULCO http://www.univ-littoral.fr
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef SSS_GRAPH_MANAGER
#define SSS_GRAPH_MANAGER

#include <artis-star/common/Coordinator.hpp>
#include <artis-star/common/GraphManager.hpp>
#include <artis-star/common/Links.hpp>
#include <artis-star/common/Parameters.hpp>

#include <artis-star/kernel/sss/Model.hpp>

namespace artis::sss {

template<typename Time, typename GraphParameters = common::NoParameters>
class GraphManager : public common::GraphManager<Time> {
public:
  GraphManager(common::Coordinator<Time> *coordinator,
               const GraphParameters & /* parameters */)
    :
    common::GraphManager<Time>(coordinator) {}

  virtual ~GraphManager() {}

  void add_link(common::Model<Time> *src_model,
                const std::string &src_port_name,
                common::Model<Time> *dst_model,
                const std::string &dst_port_name) {
    assert((src_model != common::GraphManager<Time>::_coordinator and
            dst_model != common::GraphManager<Time>::_coordinator and
            src_model->exist_out_port(src_port_name) and
            dst_model->exist_in_port(dst_port_name)) or
           (src_model == common::GraphManager<Time>::_coordinator and
            dst_model != common::GraphManager<Time>::_coordinator and
            src_model->exist_in_port(src_port_name) and
            dst_model->exist_in_port(dst_port_name)) or
           (src_model != common::GraphManager<Time>::_coordinator and
            dst_model == common::GraphManager<Time>::_coordinator and
            src_model->exist_out_port(src_port_name) and
            dst_model->exist_out_port(dst_port_name)));

    _link_list.add(src_model, src_port_name, dst_model, dst_port_name);
  }

  void dispatch_events(common::event::Bag<Time> bag,
                       typename Time::type t) {
    for (auto &ymsg: bag) {
      typename common::Links<Time>::Result result_model =
        _link_list.find(ymsg.get_model(),
                        ymsg.get_port_name());

      for (typename common::Links<Time>::const_iterator it =
        result_model.first; it != result_model.second; ++it) {
        // event on output port of coupled model
        if (it->second.get_model() == common::GraphManager<Time>::_coordinator) {
          common::event::Bag<Time> ymessages;

          ymessages.push_back(
            common::event::ExternalEvent<Time>(it->second, ymsg.data()));
          if (common::GraphManager<Time>::_coordinator->get_parent()) {
            dynamic_cast < common::Coordinator<
              Time> * >(common::GraphManager<Time>::_coordinator->get_parent())
              ->dispatch_events(ymessages, t);
          }
        } else { // event on input port of internal model
          it->second.get_model()->post_event(
            t, common::event::ExternalEvent<Time>(
              it->second,
              ymsg.data()));
        }
      }
    }
  }

  void post_event(typename Time::type t,
                  const common::event::ExternalEvent<Time> &event) {
    typename common::Links<Time>::Result result =
      _link_list.find(common::GraphManager<Time>::_coordinator, event.get_port_name());

    for (typename common::Links<Time>::const_iterator it_r =
      result.first; it_r != result.second; ++it_r) {
      it_r->second.get_model()->post_event(
        t, common::event::ExternalEvent<Time>(it_r->second,
                                              event.data()));
    }
  }

private:
  common::Links<Time> _link_list;
};

} // namespace artis sss

#endif